PackageNameWriterTest.java

/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.kie.soup.project.datamodel.commons.packages;

import org.junit.Test;
import org.kie.soup.project.datamodel.packages.HasPackageName;

import static org.junit.Assert.*;

/**
 * Tests for PackageNameWriter
 */
public class PackageNameWriterTest {

    @Test
    public void testNullModel() {
        final HasPackageName model = new HasPackageName() {

            private String packageName = null;

            @Override
            public String getPackageName() {
                return packageName;
            }

            @Override
            public void setPackageName(final String packageName) {
                this.packageName = packageName;
            }
        };

        final StringBuilder sb = new StringBuilder();
        PackageNameWriter.write(sb,
                                model);

        final String drl = sb.toString();
        assertNotNull(drl);

        assertTrue(drl.isEmpty());
    }

    @Test
    public void testEmptyModel() {
        final HasPackageName model = new HasPackageName() {

            private String packageName = "";

            @Override
            public String getPackageName() {
                return packageName;
            }

            @Override
            public void setPackageName(final String packageName) {
                this.packageName = packageName;
            }
        };

        final StringBuilder sb = new StringBuilder();
        PackageNameWriter.write(sb,
                                model);

        final String drl = sb.toString();
        assertNotNull(drl);

        assertTrue(drl.isEmpty());
    }

    @Test
    public void testModel() {
        final String expectedDrl = "package org.drools.guvnor.models.commons.backend.packages;\n\n";

        final HasPackageName model = new HasPackageName() {

            private String packageName = "org.drools.guvnor.models.commons.backend.packages";

            @Override
            public String getPackageName() {
                return packageName;
            }

            @Override
            public void setPackageName(final String packageName) {
                this.packageName = packageName;
            }
        };

        final StringBuilder sb = new StringBuilder();
        PackageNameWriter.write(sb,
                                model);

        final String drl = sb.toString();
        assertNotNull(drl);

        assertEquals(expectedDrl,
                     drl);
    }
}